package com.heifei

/**
 * @author caizhengjun01@gmail.com
 * @date 2020/8/4 2:18 下午
 */
object SetDemo {
  def main(args: Array[String]): Unit = {

    val s1 = Set(1, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9)

    s1.foreach(item => println(item))

  }
}
